The transparent layer covering the front of the eye is the:
Cornea
100
The large bundle of nerves that carries the message of what the eyes see to the brain is the...
optic nerve
100
A ___________ lens is thicker in the center than its edges.
Convex
100
List the colors of the spectrum in order.
Red orange yellow green blue violet
200
What is a luminous object?
An object that creates it's own light. ex: firefly, glowworm, cat's eye
200
The opening that allows light to enter the eye is the...
Pupil
200
The type of vision where both eyes work together to produce an image of the same object is...
binocular vision
200
A lens that scatters light rays is a _____________ lens.
Concave
200
Name warm colors.
Red, orange, yellow
300
Define Refraction
The bending of light
300
The muscles that regulate the size of the pupil are found in the...
iris
300
What is monocular vision?
Monocular vision is when both eyes are working separately, instead of together. The eyes are located on the side of the head.
300
A _____________ mirror bulges away from the viewer and makes objects bigger.
Convex
300
Name cool colors
Blue green purple
400
Define reflection
The bouncing of light
400
The light sensitive covering of the inside of the eyeball is the...
retina
400
Many nocturnal animals have an extra layer of reflecting cells behind the retina called the...
tapetum
400
A periscope uses __________ to reflect light.
mirrors
400
How does a prism work?
White light is actually a mix of all the colors. When white light hits the prism, it gets refracted (bent) in different directions, revealing all the colors of the spectrum as they bend in different angles.
500
What are the three types of objects and how does light travel through them?
Opaque: Objects that let no light pass through
Transparent: Objects that let light pass through
Translucent: Objects that scatter light
500
The structure behind the pupil that refracts and focuses light is the...
lens
500
What is white light?
White light is a mixture of colored lights
500
Compare a telescope to a magnifying glass.
A telescope makes objects far away appear closer. A magnifying glass makes small objects appear bigger.
500
What is the shortest wavelength in the spectrum? Longest?
The shortest wavelength is violent, the longest is red.